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Emiyanti E, Sinaga H, Fitriah Z. UPAYA MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA MELALUI MODEL PEMBELAJARAN NHT (NUMBERED HEAD TOGETHER) DI KELAS VIII SMP. JPPM [Internet]. 2022 Oct. 1 [cited 2024 May 4];3(2):65-9. Available from: https://ejournal.ummuba.ac.id/index.php/JPPM/article/view/883